import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

@WebServlet("/index")
public class indexServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        HttpSession session=req.getSession(false);
        if(session==null)
        {
            resp.setContentType("text/html;charset=utf8");
            resp.getWriter().write("请先登录，再访问主页");
        return;
        }

        String name=(String) session.getAttribute("username");
        Long time=(Long)session.getAttribute("time");
        System.out.println("username"+name+","+"time"+time);
        resp.setContentType("text/html;charset=utf8");
        resp.getWriter().write("欢迎登录"+name+"上次登录时间"+time);

    }
}
